Home / 82,259,926.93-113,452,507.65-72,315,547.21

Finding the Fourth Proportional to 82,259,926.93, 113,452,507.65 and 72,315,547.21

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Solution

The fourth proportional to 82,259,926.93, 113,452,507.65 and 72,315,547.21 is: 99,737,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,259,926.93 : 113,452,507.65 = 72,315,547.21 : x
  2. Step 2: Convert to fraction form
    82,259,926.93/113,452,507.65 = 72,315,547.21/x
  3. Step 3: Cross multiply
    82,259,926.93x = 113,452,507.65 × 72,315,547.21
  4. Step 4: Simplify right side
    82,259,926.93x = 8,204,380,173,056,461
  5. Step 5: Solve for x
    x = 8,204,380,173,056,461/82,259,926.93
  6. Step 6: Final answer
    x = 99,737,265.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.